IL148502A - שיטות והתקן המשתמשים באלגוריתם שירבוב סלילני מוכלל - Google Patents

שיטות והתקן המשתמשים באלגוריתם שירבוב סלילני מוכלל

Info

Publication number
IL148502A
IL148502A IL148502A IL14850202A IL148502A IL 148502 A IL148502 A IL 148502A IL 148502 A IL148502 A IL 148502A IL 14850202 A IL14850202 A IL 14850202A IL 148502 A IL148502 A IL 148502A
Authority
IL
Israel
Prior art keywords
reconstruction
plane
detector
conjugate
row
Prior art date
Application number
IL148502A
Other languages
English (en)
Other versions
IL148502A0 (en
Original Assignee
Ge Med Sys Global Tech Co Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of IL148502A0 publication Critical patent/IL148502A0/xx
Publication of IL148502A publication Critical patent/IL148502A/he

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085—Cone-beams
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
IL148502A 2001-03-16 2002-03-05 שיטות והתקן המשתמשים באלגוריתם שירבוב סלילני מוכלל IL148502A (he)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/810,925 US6452996B1 (en) 2001-03-16 2001-03-16 Methods and apparatus utilizing generalized helical interpolation algorithm

Publications (2)

Publication Number Publication Date
IL148502A0 IL148502A0 (en) 2002-09-12
IL148502A true IL148502A (he) 2006-12-31

Family

ID=25205054

Family Applications (1)

Application Number Title Priority Date Filing Date
IL148502A IL148502A (he) 2001-03-16 2002-03-05 שיטות והתקן המשתמשים באלגוריתם שירבוב סלילני מוכלל

Country Status (4)

Country Link
US (1) US6452996B1 (he)
JP (1) JP4356863B2 (he)
DE (1) DE10211581A1 (he)
IL (1) IL148502A (he)

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US6778630B2 (en) * 2001-03-23 2004-08-17 Kabushiki Kaisha Toshiba Method and system for reconstructing computed tomography images using redundant data
US6529576B2 (en) * 2001-06-29 2003-03-04 Ge Medical Systems Global Technology Company, Llc Method and apparatus for pitch-adaptive reconstruction in multislice helical computed tomographic systems
US6873676B2 (en) * 2003-03-05 2005-03-29 Ge Medical Systems Global Technology Company, Llc Convolution reconstruction algorithm for multi-slice CT
US6977984B2 (en) * 2003-10-07 2005-12-20 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for dynamical helical scanned image production
US7415145B2 (en) * 2003-12-30 2008-08-19 General Electric Company Methods and apparatus for artifact reduction
US7050527B2 (en) * 2004-02-09 2006-05-23 G.E. Medical Systems Global Technology Company, Llc Methods and apparatus for artifact reduction in cone beam CT image reconstruction
DE102004020861B4 (de) * 2004-04-28 2009-10-01 Siemens Ag Verfahren zur Rekonstruktion von Projektionsdatensätzen bei Dosis-reduzierter abschnittsweiser spiralförmiger Abtastung in der Computertomographie
US7173996B2 (en) * 2004-07-16 2007-02-06 General Electric Company Methods and apparatus for 3D reconstruction in helical cone beam volumetric CT
US7424088B2 (en) * 2004-09-29 2008-09-09 Kabushiki Kaisha Toshiba Image reconstruction method using Hilbert transform
ATE460714T1 (de) * 2004-10-08 2010-03-15 Koninkl Philips Electronics Nv Bildrekonstruktion mit voxelabhängiger interpolation
US7359478B2 (en) * 2004-11-18 2008-04-15 Toshiba Medical Systems Corporation Method for restoring truncated helical cone-beam computed tomography data
US20090154787A1 (en) * 2004-11-23 2009-06-18 Koninklijke Philips Electronics, N.V. Image reconstruction device and method
JP2007236662A (ja) * 2006-03-09 2007-09-20 Ge Medical Systems Global Technology Co Llc Ｘ線ｃｔ装置およびそのｘ線ｃｔ画像再構成方法、ｘ線ｃｔ画像撮影方法。
US7729890B2 (en) * 2006-08-22 2010-06-01 Analog Devices, Inc. Method for determining the change of a signal, and an apparatus including a circuit arranged to implement the method
CN101620191B (zh) * 2008-07-04 2013-01-02 Ge医疗系统环球技术有限公司 具校正ct平扫图像失真的图像获取方法及其装置
US8938104B2 (en) * 2008-08-29 2015-01-20 Varian Medical Systems International Ag Systems and methods for adaptive filtering
SE533704C2 (sv) 2008-12-05 2010-12-07 Flatfrog Lab Ab Pekkänslig apparat och förfarande för drivning av densamma
TW201203052A (en) * 2010-05-03 2012-01-16 Flatfrog Lab Ab Touch determination by tomographic reconstruction
CN102456228B (zh) * 2010-10-29 2015-11-25 Ge医疗系统环球技术有限公司 图像重建方法和装置及ct机
US10168835B2 (en) 2012-05-23 2019-01-01 Flatfrog Laboratories Ab Spatial resolution in touch displays
US10019113B2 (en) 2013-04-11 2018-07-10 Flatfrog Laboratories Ab Tomographic processing for touch detection
US9874978B2 (en) 2013-07-12 2018-01-23 Flatfrog Laboratories Ab Partial detect mode
WO2015108479A1 (en) 2014-01-16 2015-07-23 Flatfrog Laboratories Ab Light coupling in tir-based optical touch systems
WO2015108480A1 (en) 2014-01-16 2015-07-23 Flatfrog Laboratories Ab Improvements in tir-based optical touch systems of projection-type
JP6321405B2 (ja) * 2014-02-27 2018-05-09 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像生成装置、放射線断層撮影装置及び画像生成方法並びにプログラム
US10161886B2 (en) 2014-06-27 2018-12-25 Flatfrog Laboratories Ab Detection of surface contamination
CN104657962B (zh) * 2014-12-12 2017-08-25 西安电子科技大学 基于级联线性回归的图像超分辨重建方法
CN107209608A (zh) 2015-01-28 2017-09-26 平蛙实验室股份公司 动态触摸隔离帧
US10318074B2 (en) 2015-01-30 2019-06-11 Flatfrog Laboratories Ab Touch-sensing OLED display with tilted emitters
WO2016130074A1 (en) 2015-02-09 2016-08-18 Flatfrog Laboratories Ab Optical touch system comprising means for projecting and detecting light beams above and inside a transmissive panel
US10401546B2 (en) 2015-03-02 2019-09-03 Flatfrog Laboratories Ab Optical component for light coupling
EP4075246B1 (en) 2015-12-09 2024-07-03 FlatFrog Laboratories AB Stylus for optical touch system
US10761657B2 (en) 2016-11-24 2020-09-01 Flatfrog Laboratories Ab Automatic optimisation of touch signal
KR102629629B1 (ko) 2016-12-07 2024-01-29 플라트프로그 라보라토리즈 에이비 개선된 터치 장치
WO2018141948A1 (en) 2017-02-06 2018-08-09 Flatfrog Laboratories Ab Optical coupling in touch-sensing systems
US20180275830A1 (en) 2017-03-22 2018-09-27 Flatfrog Laboratories Ab Object characterisation for touch displays
CN110663015A (zh) 2017-03-28 2020-01-07 平蛙实验室股份公司 触摸感应装置和用于组装的方法
CN117311543A (zh) 2017-09-01 2023-12-29 平蛙实验室股份公司 触摸感测设备
US11567610B2 (en) 2018-03-05 2023-01-31 Flatfrog Laboratories Ab Detection line broadening
CN112889016A (zh) 2018-10-20 2021-06-01 平蛙实验室股份公司 用于触摸敏感装置的框架及其工具
WO2020153890A1 (en) 2019-01-25 2020-07-30 Flatfrog Laboratories Ab A videoconferencing terminal and method of operating the same
CN114730228A (zh) 2019-11-25 2022-07-08 平蛙实验室股份公司 一种触摸感应设备
JP2023512682A (ja) 2020-02-10 2023-03-28 フラットフロッグ ラボラトリーズ アーベー 改良型タッチ検知装置

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US5270923A (en) 1989-11-02 1993-12-14 General Electric Company Computed tomographic image reconstruction method for helical scanning using interpolation of partial scans for image construction
US5233518A (en) 1989-11-13 1993-08-03 General Electric Company Extrapolative reconstruction method for helical scanning
US5208746A (en) 1989-11-22 1993-05-04 General Electric Company Method for helical scanning with a stationary detector using rebinning and splicing to create detector vertex projection sets
US5216601A (en) 1989-11-22 1993-06-01 General Electric Company Method for fan beam helical scanning using rebinning
US5546439A (en) 1995-11-02 1996-08-13 General Electric Company Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan
US6381297B1 (en) * 2000-08-15 2002-04-30 Ge Medical Systems Global Technology Company, Llc High pitch reconstruction of multislice CT scans
US6404842B1 (en) * 2001-10-15 2002-06-11 Ge Medical Systems Global Technology Company, Llc Method and apparatus for image reconstruction in twin helical computed tomographic systems

Also Published As

Publication number Publication date
IL148502A0 (en) 2002-09-12
DE10211581A1 (de) 2002-10-24
JP4356863B2 (ja) 2009-11-04
JP2002330956A (ja) 2002-11-19
US6452996B1 (en) 2002-09-17

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